Harford County is located in the U.S. state of Maryland. As of the 2020 census, the population was 260,924. Its county seat is Bel Air. Harford County is included in the Baltimore-Columbia-Towson, MD Metropolitan Statistical Area, which is also included in the Washington-Baltimore-Arlington, DC-MD-VA-WV-PA Combined Statistical Area.
Aberdeen is a city located in Harford County, Maryland, United States, 26 miles (42 km) northeast of Baltimore. The population was 16,254 at the 2020 United States Census. Aberdeen is the largest municipality in Harford County.
Aberdeen Proving Ground (APG) is a U.S. Army facility located adjacent to Aberdeen, Harford County, Maryland, United States. More than 7,500 civilians and 5,000 military personnel work at APG. There are 11 major commands among the tenant units, including:
The Thomas Point Shoal Light, also known as Thomas Point Shoal Light Station, is a historic lighthouse in the Chesapeake Bay on the east coast of the United States, and the most recognized lighthouse in Maryland. It is the only screw-pile lighthouse in the bay which stands at its original site. The current structure is a 1½ story hexagonal wooden cottage, equipped with a foghorn as well as the light.
The Baltimore Harbor Light, officially Baltimore Light and historically Baltimore Harbor Lighthouse is a privately owned caisson lighthouse in the Chesapeake Bay in Maryland. First lit in 1908, it sits at the mouth of the Magothy River, marking the channel which leads northwest to the opening of the Patapsco River, which then leads into the Baltimore harbor. The light is located adjacent to the mouth of the Magothy River. At the time of its construction, it was the world's tallest caisson lighthouse. In June 2006, Baltimore Light was sold at auction to private owners by the General Services Administration for $260,000; the U.S. Coast Guard maintains rights to operate a light on the structure.
Point No Point Light, located in the Chesapeake Bay off the eponymous point several miles north of the mouth of the Potomac River, was constructed as part of a program to add lighted navigational aids in a thirty-mile stretch of the bay between Cove and Smith Points.
The Blackistone Island Light was a lighthouse located on what is now St. Clement's Island on the Potomac River in Maryland. It is best known as the target of a Confederate raid in the Civil War. Completed in 1851, the structure was destroyed by fire in 1956 and its shell was razed; a replica was completed in 2008.
The Piney Point Lighthouse was built in 1836 located at Piney Point on the Potomac River in Maryland just up the river from the mouth of the Chesapeake Bay. The Coast Guard decommissioned it in 1964 and it has since become a museum. It is known as the Lighthouse of Presidents because several early US Presidents visited or stayed on the grounds.
Concord Point Light is a 36-foot (11 m) lighthouse in Havre de Grace, Maryland. It overlooks the point where Susquehanna River flows into the Chesapeake Bay, an area of increasing navigational traffic when it was constructed in 1827. It is the northernmost lighthouse and the second-oldest tower lighthouse still standing on the bay.
The Sharps Island Light is the third lighthouse to stand nearly 3 miles (5 km) south-southwest from the southern end of Tilghman Island in Maryland's Chesapeake Bay. The structure is best known today for evoking the Leaning Tower of Pisa, a condition caused by an ice floe in 1977.
Point Lookout Light is a lighthouse that marks the entrance to the Potomac River at the southernmost tip of Maryland's western shore of the Chesapeake Bay, south of the town of Scotland in Saint Mary's County, Maryland, USA. It is known for its association with ghost stories and has been the subject of paranormal investigations. The lighthouse is located in Point Lookout State Park. It is not open to the public.
The Turkey Point Light is a historic lighthouse at the head of the Chesapeake Bay. Although only a 35-foot (11 m) tower, the 100-foot (30 m) height of the bluffs on which it stands makes it the third highest light off the water in the bay. It is also known for the large number of women who served as lightkeeper.
Fishing Battery Light was the last lighthouse constructed in Maryland by John Donahoo. While still standing, it has been supplanted by a steel tower which stands adjacent to it.
The Cove Point Light is a lighthouse located on the west side of Chesapeake Bay in Calvert County, Maryland.
The Hooper Island Light is a lighthouse in the Chesapeake Bay, west of Middle Hooper Island in Maryland.
The Fog Point Light was a historic lighthouse located at Fog Point, the northwestern tip of Smith Island, Maryland in the Chesapeake Bay.
The Clay Island Light was a historic lighthouse located on Clay Island at the mouth of the Nanticoke River on the Chesapeake Bay. Constructed in 1832, it continued to serve the area until 1892, when it was replaced by the Sharkfin Shoal Light. Two years later, the building collapsed, and nothing remains of it.
The Cedar Point Light was the last house-type lighthouse built in the Chesapeake Bay. An early victim of shoreline erosion, the cupola and gables are preserved at museums.
The North Point Range Lights were some of the earliest lights in the Maryland portion of the Chesapeake Bay. Intended to guide ships headed for Baltimore harbor into the Patapsco River, they were superseded by channel construction in the 1870s and 1980s, and were replaced by the Craighill Channel Upper Range front and rear lights.
Pooles Island is a small island located on the Chesapeake Bay, part of Harford County, Maryland. It is southeast of the southern tip of Gunpowder Neck. The Pooles Island Light was built on it. Pooles Island was used for bombing practice from 1918 through the 1960s as part of Aberdeen Proving Ground. Access to the island is prohibited due to unexploded ordnance.
